Diff Report
Run #519af44245f83: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519af4b90e33b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519af44245f83Run #519af4b90e33bDiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)31,510 31,999 489 1.6%
Incl. Wall Time (microsec) per call 279 283 4 1.6%
Excl. Wall Time (microsec)2,360 2,477 117 5.0%
Incl. CPU (microsecs)27,094 27,483 389 1.4%
Incl. CPU (microsecs) per call 240 243 3 1.4%
Excl. CPU (microsec)2,217 2,303 86 3.9%
Incl. MemUse (bytes)2,039,744 2,039,776 32 0.0%
Incl. MemUse (bytes) per call 18,051 18,051 0 0.0%
Excl. MemUse (bytes)-263,496 -263,488 8 0.0%
Incl. PeakMemUse (bytes)2,372,512 2,372,320 -192 -0.0%
Incl. PeakMemUse (bytes) per call 20,996 20,994 -2 -0.0%
Excl. PeakMemUse (bytes)6,808 6,808 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 489 21.5% 389 21.0% 32 0.0% -192 -0.2%
Exclusive Metrics Diff for Current Function117 23.9% 86 22.1% 8 25.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 489 100.0% 389 100.0% 32 100.0% -192 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 224 45.8% 105 27.0% 0 0.0% 24 12.5%
unserialize0 N/A% 139 28.4% 192 49.4% 24 75.0% -216 -112.5%
explode0 N/A% 9 1.8% 6 1.5% 0 0.0% 0 0.0%